Medina Zheenbaeva, Amanai Kadyrbaeva, Sagynali Mamatov, Mira Arstanbekova, Diana Smailova, Merim Murzaibragimova, Chynara Kasymbaeva, Gilbera Romankulova,, Department of Hospital Internal Medicine with a course of Hematology, I. K. Akhunbaev Kyrgyz State Medical Academy, Bishkek, Kyrgyzstan, Kyrgyzstan